Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001256/0.001256, allocations: 113.8 kB / 17.6 MB, free: 4.684 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001309/0.001309, allocations: 186 kB / 20.78 MB, free: 1.52 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.452/1.452, allocations: 225.6 MB / 249.4 MB, free: 3.141 MB / 190.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo", uses=false) [Timeout 180]
"[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 1.08/1.08, allocations: 175.7 MB / 480.2 MB, free: 2.727 MB / 366.1 MB
"
[Timeout remaining time 179]
Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: translateModel(IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1")
translateModel(IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 0.001899/0.001899, allocations: 71.77 kB / 0.6684 GB, free: 10.58 MB / 494.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.163/0.1649, allocations: 94.53 MB / 0.7607 GB, free: 284 kB / 0.5606 GB
Notification: Performance of NFInst.instantiate(IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1): time 0.5273/0.6922, allocations: 157.5 MB / 0.9145 GB, free: 1.844 MB / 0.6544 GB
Notification: Performance of NFInst.instExpressions: time 0.02676/0.719, allocations: 21.86 MB / 0.9359 GB, free: 15.98 MB / 0.6856 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001685/0.7207, allocations: 54.97 kB / 0.9359 GB, free: 15.96 MB / 0.6856 GB
Notification: Performance of NFTyping.typeComponents: time 0.001502/0.7222, allocations: 1.167 MB / 0.9371 GB, free: 15.35 MB / 0.6856 GB
Notification: Performance of NFTyping.typeBindings: time 0.001322/0.7235, allocations: 0.8699 MB / 0.9379 GB, free: 14.81 MB / 0.6856 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001066/0.7245, allocations: 469.4 kB / 0.9384 GB, free: 14.43 MB / 0.6856 GB
Notification: Performance of NFFlatten.flatten: time 0.001207/0.7258, allocations: 1.251 MB / 0.9396 GB, free: 13.73 MB / 0.6856 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0007022/0.7265, allocations: 0.5476 MB / 0.9401 GB, free: 13.35 MB / 0.6856 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0005968/0.7271, allocations: 0.5558 MB / 0.9407 GB, free: 13.05 MB / 0.6856 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0009852/0.728, allocations: 0.9992 MB / 0.9416 GB, free: 12.58 MB / 0.6856 GB
Notification: Performance of NFPackage.collectConstants: time 8.828e-05/0.7281, allocations: 66.31 kB / 0.9417 GB, free: 12.58 MB / 0.6856 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0001999/0.7283, allocations: 107.6 kB / 0.9418 GB, free: 12.56 MB / 0.6856 GB
Notification: Performance of NFScalarize.scalarize: time 0.0002698/0.7286, allocations: 324 kB / 0.9421 GB, free: 12.36 MB / 0.6856 GB
Notification: Performance of NFVerifyModel.verify: time 0.00042/0.729, allocations: 490.4 kB / 0.9426 GB, free: 12 MB / 0.6856 GB
Notification: Performance of NFConvertDAE.convert: time 0.001251/0.7303, allocations: 1.207 MB / 0.9438 GB, free: 11.16 MB / 0.6856 GB
Notification: Performance of FrontEnd - DAE generated: time 6.802e-06/0.7303, allocations: 4 kB / 0.9438 GB, free: 11.16 MB / 0.6856 GB
Notification: Performance of FrontEnd: time 1.342e-06/0.7303, allocations: 0 / 0.9438 GB, free: 11.16 MB / 0.6856 GB
Notification: Performance of Transformations before backend: time 1.368e-05/0.7303, allocations: 2.781 kB / 0.9438 GB, free: 11.16 MB / 0.6856 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 107
 * Number of variables: 107
Notification: Performance of Generate backend data structure: time 0.002346/0.7326, allocations: 1.52 MB / 0.9452 GB, free: 9.961 MB / 0.6856 GB
Notification: Performance of prepare preOptimizeDAE: time 3.344e-05/0.7327, allocations: 7.656 kB / 0.9453 GB, free: 9.961 MB / 0.6856 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001857/0.7329, allocations: 140.6 kB / 0.9454 GB, free: 9.887 MB / 0.6856 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008824/0.7337, allocations: 0.6715 MB / 0.946 GB, free: 9.32 MB / 0.6856 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001398/0.7339, allocations: 78.28 kB / 0.9461 GB, free: 9.262 MB / 0.6856 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 9.165e-05/0.734, allocations: 50.48 kB / 0.9462 GB, free: 9.242 MB / 0.6856 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009558/0.7349, allocations: 0.5187 MB / 0.9467 GB, free: 8.918 MB / 0.6856 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.013e-05/0.7349, allocations: 0 / 0.9467 GB, free: 8.918 MB / 0.6856 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.764e-05/0.735, allocations: 16.59 kB / 0.9467 GB, free: 8.906 MB / 0.6856 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.415e-05/0.735, allocations: 10.06 kB / 0.9467 GB, free: 8.906 MB / 0.6856 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008062/0.7358, allocations: 419.5 kB / 0.9471 GB, free: 8.703 MB / 0.6856 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003626/0.7394, allocations: 2.733 MB / 0.9498 GB, free: 6.344 MB / 0.6856 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0009163/0.7404, allocations: 415.9 kB / 0.9502 GB, free: 6.121 MB / 0.6856 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0006188/0.741, allocations: 295 kB / 0.9504 GB, free: 5.973 MB / 0.6856 GB
Notification: Performance of preOpt evalFunc (simulation): time 3.817e-05/0.741, allocations: 5.516 kB / 0.9505 GB, free: 5.973 MB / 0.6856 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005527/0.7416, allocations: 282 kB / 0.9507 GB, free: 5.793 MB / 0.6856 GB
Notification: Performance of pre-optimization done (n=44): time 1.934e-06/0.7416, allocations: 7.938 kB / 0.9507 GB, free: 5.785 MB / 0.6856 GB
Notification: Performance of matching and sorting (n=44): time 0.002635/0.7442, allocations: 1.14 MB / 0.9518 GB, free: 5.086 MB / 0.6856 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.291e-05/0.7443, allocations: 60.45 kB / 0.9519 GB, free: 5.02 MB / 0.6856 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001949/0.7462, allocations: 1.766 MB / 0.9536 GB, free: 3.52 MB / 0.6856 GB
Notification: Performance of collectPreVariables (initialization): time 5.12e-05/0.7463, allocations: 37.7 kB / 0.9537 GB, free: 3.477 MB / 0.6856 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005119/0.7468, allocations: 0.5293 MB / 0.9542 GB, free: 2.941 MB / 0.6856 GB
Notification: Performance of collectInitialBindings (initialization): time 0.000141/0.7469, allocations: 146.8 kB / 0.9543 GB, free: 2.797 MB / 0.6856 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001648/0.7471, allocations: 102.2 kB / 0.9544 GB, free: 2.688 MB / 0.6856 GB
Notification: Performance of setup shared object (initialization): time 0.000151/0.7472, allocations: 326 kB / 0.9547 GB, free: 2.363 MB / 0.6856 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005015/0.7477, allocations: 213 kB / 0.9549 GB, free: 2.156 MB / 0.6856 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005997/0.7483, allocations: 343.1 kB / 0.9553 GB, free: 1.773 MB / 0.6856 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.000962/0.7493, allocations: 0.5235 MB / 0.9558 GB, free: 1.203 MB / 0.6856 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.855e-06/0.7493, allocations: 0 / 0.9558 GB, free: 1.203 MB / 0.6856 GB
Notification: Performance of matching and sorting (n=69) (initialization): time 0.001636/0.7509, allocations: 0.8201 MB / 0.9566 GB, free: 384 kB / 0.6856 GB
Notification: Performance of prepare postOptimizeDAE: time 1.793e-05/0.7509, allocations: 4 kB / 0.9566 GB, free: 380 kB / 0.6856 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.736e-06/0.751, allocations: 4 kB / 0.9566 GB, free: 376 kB / 0.6856 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0004257/0.7514, allocations: 129 kB / 0.9567 GB, free: 244 kB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003784/0.7518, allocations: 107.8 kB / 0.9568 GB, free: 136 kB / 0.6856 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003206/0.755, allocations: 2.6 MB / 0.9593 GB, free: 13.4 MB / 0.7012 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004404/0.7554, allocations: 87.64 kB / 0.9594 GB, free: 13.32 MB / 0.7012 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.42e-05/0.7554, allocations: 23.94 kB / 0.9594 GB, free: 13.3 MB / 0.7012 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 16
 * Number of states: 0 ()
 * Number of discrete variables: 19 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition5,$PRE.intGai.nextTimeEvent,$whenCondition4,$PRE.reference.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (54):
 * Single equations (assignments): 53
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(1,15,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.0005166/0.756, allocations: 391.2 kB / 0.9598 GB, free: 12.91 MB / 0.7012 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001537/0.7561, allocations: 123.1 kB / 0.9599 GB, free: 12.79 MB / 0.7012 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001489/0.7576, allocations: 0.7086 MB / 0.9606 GB, free: 12.06 MB / 0.7012 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.601e-06/0.7576, allocations: 4 kB / 0.9606 GB, free: 12.06 MB / 0.7012 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.761e-06/0.7576, allocations: 4 kB / 0.9606 GB, free: 12.05 MB / 0.7012 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.819e-06/0.7576, allocations: 0 / 0.9606 GB, free: 12.05 MB / 0.7012 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002559/0.7602, allocations: 1.489 MB / 0.9621 GB, free: 10.5 MB / 0.7012 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.745e-06/0.7602, allocations: 3.938 kB / 0.9621 GB, free: 10.5 MB / 0.7012 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002371/0.7604, allocations: 43.97 kB / 0.9621 GB, free: 10.46 MB / 0.7012 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0004172/0.7608, allocations: 168.6 kB / 0.9623 GB, free: 10.29 MB / 0.7012 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.593e-05/0.7609, allocations: 15.98 kB / 0.9623 GB, free: 10.27 MB / 0.7012 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004272/0.7652, allocations: 4.048 MB / 0.9663 GB, free: 5.953 MB / 0.7012 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.673e-06/0.7652, allocations: 0 / 0.9663 GB, free: 5.953 MB / 0.7012 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001931/0.7671, allocations: 1.004 MB / 0.9672 GB, free: 4.922 MB / 0.7012 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0003014/0.7674, allocations: 220.2 kB / 0.9675 GB, free: 4.688 MB / 0.7012 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.549e-05/0.7675, allocations: 13.11 kB / 0.9675 GB, free: 4.676 MB / 0.7012 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000327/0.7678, allocations: 35.97 kB / 0.9675 GB, free: 4.641 MB / 0.7012 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001457/0.768, allocations: 51.86 kB / 0.9676 GB, free: 4.59 MB / 0.7012 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.069e-05/0.768, allocations: 16 kB / 0.9676 GB, free: 4.574 MB / 0.7012 GB
Notification: Performance of sorting global known variables: time 0.001563/0.7696, allocations: 1.285 MB / 0.9688 GB, free: 3.285 MB / 0.7012 GB
Notification: Performance of sort global known variables: time 9e-08/0.7696, allocations: 0 / 0.9688 GB, free: 3.285 MB / 0.7012 GB
Notification: Performance of remove unused functions: time 0.0007573/0.7703, allocations: 203.7 kB / 0.969 GB, free: 3.086 MB / 0.7012 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 4 (thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,assEqu.diff,mean.x)
 * Number of discrete variables: 12 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y_last)
 * Number of discrete states: 7 (intGai.nextTimeEvent,reference.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,reference.nextTimeEventScaled,intGai.nextTimeEventScaled)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (29):
 * Single equations (assignments): 21
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 6
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(2,12,100.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of Backend phase and start with SimCode phase: time 0.00182/0.7721, allocations: 473.2 kB / 0.9695 GB, free: 2.805 MB / 0.7012 GB
Notification: Performance of simCode: created initialization part: time 0.001441/0.7736, allocations: 0.6393 MB / 0.9701 GB, free: 2.152 MB / 0.7012 GB
Notification: Performance of simCode: created event and clocks part: time 2.404e-06/0.7736, allocations: 12 kB / 0.9701 GB, free: 2.141 MB / 0.7012 GB
Notification: Performance of simCode: created simulation system equations: time 0.0008845/0.7745, allocations: 0.5087 MB / 0.9706 GB, free: 1.605 MB / 0.7012 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009733/0.7754, allocations: 208.3 kB / 0.9708 GB, free: 1.41 MB / 0.7012 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003799/0.7792, allocations: 2.412 MB / 0.9732 GB, free: 14.96 MB / 0.7169 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008995/0.7801, allocations: 1.153 MB / 0.9743 GB, free: 13.78 MB / 0.7169 GB
Notification: Performance of simCode: alias equations: time 0.0002889/0.7804, allocations: 96.81 kB / 0.9744 GB, free: 13.68 MB / 0.7169 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001204/0.7805, allocations: 43.44 kB / 0.9744 GB, free: 13.64 MB / 0.7169 GB
Notification: Performance of SimCode: time 6.01e-07/0.7805, allocations: 3.938 kB / 0.9744 GB, free: 13.64 MB / 0.7169 GB
Notification: Performance of Templates: time 0.02017/0.8007, allocations: 10.45 MB / 0.9846 GB, free: 3.312 MB / 0.7169 GB
"
[Timeout remaining time 659]
make -j1 -f IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.makefile [Timeout 660]
(rm -f IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.pipe ; mkfifo IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.pipe >> ../files/IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.sim & ./IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.pipe 2>&1) [Timeout 480]
[Calling sys.exit(0), Time elapsed: 7.031699261628091]